Book Image

Ceph Cookbook - Second Edition

By : Karan Singh, Hackett, Umrao
Book Image

Ceph Cookbook - Second Edition

By: Karan Singh, Hackett, Umrao

Overview of this book

Ceph is a unified distributed storage system designed for reliability and scalability. This technology has been transforming the software-defined storage industry and is evolving rapidly as a leader with its wide range of support for popular cloud platforms such as OpenStack, and CloudStack, and also for virtualized platforms. Ceph is backed by Red Hat and has been developed by community of developers which has gained immense traction in recent years. This book will guide you right from the basics of Ceph , such as creating blocks, object storage, and filesystem access, to advanced concepts such as cloud integration solutions. The book will also cover practical and easy to implement recipes on CephFS, RGW, and RBD with respect to the major stable release of Ceph Jewel. Towards the end of the book, recipes based on troubleshooting and best practices will help you get to grips with managing Ceph storage in a production environment. By the end of this book, you will have practical, hands-on experience of using Ceph efficiently for your storage requirements.
Table of Contents (15 chapters)

Configuring Glance for Ceph backend

We have completed the configuration required from the Ceph side. In this recipe, we will configure the OpenStack Glance to use Ceph as a storage backend.

How to do it…

This recipe talks about configuring the Glance component of OpenStack to store virtual machine images on Ceph RBD:

  1. Log in to os-node1, which is our Glance node, and edit /etc/glance/glance-api.conf for the following changes:
    1. Under the [DEFAULT] section, make sure that the following lines are present:
                default_store=rbd
show_image_direct_url=True
    1. Execute the following command to verify entries:
                # cat /etc/glance/glance-api.conf | 
egrep -i &quot...